88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/**
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* Copyright (c) 2015 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
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#include <stdint.h>
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#include "compiler_abstraction.h"
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//lint -save -e27
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__ASM void HardFault_Handler(void)
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{
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PRESERVE8
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EXTERN HardFault_c_handler
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EXTERN |STACK$$Base|
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EXTERN |STACK$$Limit|
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ldr r3, =HardFault_c_handler
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tst lr, #4
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/* PSP is quite simple and does not require additional handler */
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itt ne
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mrsne r0, psp
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/* Jump to the handler, do not store LR - returning from handler just exits exception */
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bxne r3
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/* Processing MSP requires stack checking */
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mrs r0, msp
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ldr r1, =|STACK$$Limit|
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ldr r2, =|STACK$$Base|
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/* MSP is in the range of the stack area */
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cmp r0, r1
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bhi HardFault_MoveSP
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cmp r0, r2
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bhi HardFault_Handler_Continue
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HardFault_MoveSP
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mov sp, r1
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mov r0, #0
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HardFault_Handler_Continue
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bx r3
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ALIGN
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}
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//lint -restore
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#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
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